The Effect Of Different Protein Levels And The Feeding Bagasse Silage On Growth Performance Of Jinhua Yellow Cattle

The output of agricultural and sideline products in China is abundant and discarded at will,which not only causes greater environmental pressure but also wastes resources.Especially in sugarcane bagasse production in Jinhua area,bagasse feed utilization is expected to become a breakthrough for solving this problem.This study to explore Jinhua Yellow cattle to make better use of bagasse as forage resources,to explore Jinhua Yellow cattle dietary protein level as a pretest,and study the forage quality of bagasse silage,protein in suitable conditions,effects of partial replacement diets on production performance of Jinhua Yellow cattle with bagasse silage.Research showed that:(1)the level of medium protein(14.95%)diet was better than that of high and low two protein levels in beef cattle fattening.Through the analysis of rumen fermentation parameters and blood biochemical index data,the high dietary protein level can not be absorbed and utilized by the animal body,resulting in waste of protein and reducing economic benefits.(2)bagasse contains abundant water(73.6%,)and soluble sugar(39.4%,DM),which meets the conditions of ensiling.And addition of Lactobacillus can improve the nutritional composition and silage fermentation characteristics of bagasse.This study concluded that bagasse silage had the best quality when adding 1×10~9cfu/g of Lactobacillus.(3)no difference was found on growth performance of cattle when replacing 25%rice straw by bagasse silage,Also,no significant effect was found on rumen fermentation,serum biochemical indexes,rumen fermentation parameters.In conclusion,bagasse silage could be used as a feed resource in beef cattle breeding.